CN211305573U - Connecting rod clamping mechanism - Google Patents

Abstract

The application provides a connecting rod clamping mechanism, which comprises a supporting plate, install the tool in the backup pad, a clamping component for supporting the work piece on holding the tool, a first connecting rod for driving clamping component and being close to or keeping away from the tool, a lever for promoting first connecting rod removal, and be used for promoting the lever and keep away from the wobbling actuating mechanism of one end of first connecting rod, the lever rotates and installs in the backup pad, be equipped with the trompil that supplies first connecting rod to pass on the tool, the one end and the actuating mechanism of lever are articulated, the other end of lever is articulated with the one end of first connecting rod, the other end of first connecting rod passes the trompil and links to each other with clamping component, actuating mechanism sets up in the backup pad. When the clamping device is used, one end of the lever, far away from the first connecting rod, is driven to swing through the driving mechanism, the lever pushes the connecting rod, the connecting rod drives the clamping component to clamp the workpiece close to or far away from the jig, and the workpiece is supported on the jig, so that the workpiece can be clamped conveniently and quickly, and the production efficiency can be effectively improved.

Description

Connecting rod clamping mechanism

Technical Field

The application belongs to the technical field of clamping, and more specifically relates to a connecting rod clamping mechanism.

Background

During the processing of a workpiece, a clamping mechanism is generally required to clamp and position the workpiece, so as to prevent the workpiece from being displaced during the processing, which results in processing deviation. However, the process of the current clamping mechanism for abutting against the workpiece is complex, and each clamping block of the clamping mechanism needs to be frequently pulled, so that the clamping mechanism is difficult to quickly abut against the workpiece, the operation is inconvenient, and the production efficiency is reduced.

Disclosure of Invention

The application aims to provide a connecting rod clamping mechanism to solve the problem that the clamping mechanism in the related art is difficult to quickly support a workpiece.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: the utility model provides a connecting rod clamping mechanism, including the backup pad, install in tool in the backup pad, be used for with the work piece support hold in centre gripping subassembly on the tool, be used for driving centre gripping subassembly is close to or keeps away from the first connecting rod of tool, be used for promoting the lever that first connecting rod removed, and be used for promoting the lever is kept away from the wobbling actuating mechanism of the one end of first connecting rod, the lever rotate install in the backup pad, be equipped with on the tool and supply the trompil that first connecting rod passed, the one end of lever with actuating mechanism is articulated, the other end of lever with the one end of first connecting rod is articulated, the other end of first connecting rod passes the trompil and with centre gripping subassembly links to each other, actuating mechanism set up in the backup pad.

In one embodiment, the clamping assembly comprises a plurality of pressing blocks for pressing against the workpiece and a clamping seat for supporting each pressing block, and the clamping seat is connected with one end of the first connecting rod, which is far away from the lever.

In one embodiment, a plurality of the pressing blocks are arranged on the periphery of the clamping seat.

In one embodiment, each pressing block is provided with a plurality of clamping jaws, and each clamping jaw is connected with one side of the corresponding pressing block, which is far away from the clamping seat.

In one embodiment, the clamping assembly further includes second connecting rods respectively disposed on the pressing blocks, guide posts respectively connected to the second connecting rods, and guide plates respectively corresponding to the guide posts, each pressing block is slidably supported on the clamping seat, each guide plate is provided with a guide groove for guiding the corresponding guide post to move toward the middle position of the clamping seat, each guide post is inserted into the corresponding guide groove, and each guide plate is fixedly connected to the jig.

In one embodiment, each of the guide grooves extends obliquely toward a middle position of the holder.

In one embodiment, the clamping seat is provided with a sliding groove for guiding each pressing block to move and a limiting plate for limiting each pressing block in the corresponding sliding groove, each pressing block is slidably arranged in the corresponding sliding groove, and the limiting plate is connected with the clamping seat.

In one embodiment, each of the pressing blocks is T-shaped, and each of the sliding grooves is T-shaped.

In one embodiment, the link clamping mechanism further includes a hinge bracket provided on the support plate and a pivot shaft mounted on the hinge bracket, and the lever is rotatably coupled to the hinge bracket through the pivot shaft.

In one embodiment, the swing axis of the lever is located on a side close to the first link from the middle of the lever.

One or more technical solutions in the embodiments of the present application have at least one of the following technical effects:

the application provides a connecting rod clamping mechanism's beneficial effect lies in: compared with the prior art, the connecting rod clamping mechanism that this application provided keeps away from through actuating mechanism drive lever the one end swing of first connecting rod, the lever promotes first connecting rod and stretches out along the first direction, makes first connecting rod drive the centre gripping subassembly and move one section distance towards the direction of keeping away from the tool, and then makes the work piece can put into between tool and the centre gripping subassembly. And then the driving mechanism drives one end of the lever, which is far away from the first connecting rod, to swing in the opposite direction, and the lever pushes the first connecting rod to retract along a second direction opposite to the first direction, so that the first connecting rod drives the clamping assembly to move towards the direction close to the jig, and further the clamping assembly abuts against and holds the workpiece on the jig, thereby achieving the purpose of rapidly clamping the workpiece. The application provides a connecting rod clamping mechanism keeps away from through actuating mechanism quick drive lever the one end swing of first connecting rod, lever promotion connecting rod, connecting rod drive the centre gripping subassembly with the work piece support hold in the tool to can the convenient and fast ground press from both sides tight work piece, can effectively improve production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a first schematic perspective view of a link clamping mechanism according to an embodiment of the present disclosure;

fig. 2 is a schematic perspective view of a second link clamping mechanism according to an embodiment of the present disclosure;

FIG. 3 is a schematic front view of a link clamping mechanism according to an embodiment of the present disclosure;

FIG. 4 is a schematic side view of a link clamping mechanism according to an embodiment of the present disclosure; the clamping assembly is in an open state;

FIG. 5 is a first schematic diagram illustrating an exploded view of a rod clamping mechanism according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of an exploded structure of a link clamping mechanism according to an embodiment of the present application;

fig. 7 is a schematic diagram of an exploded structure of a link clamping mechanism according to an embodiment of the present application;

FIG. 8 is a first schematic diagram illustrating an exploded view of a clamping assembly according to an embodiment of the present disclosure;

fig. 9 is a second schematic diagram illustrating an exploded structure of a clamping assembly according to an embodiment of the present disclosure;

fig. 10 is a third schematic view of an exploded structure of a clamping assembly according to an embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a support plate; 2-a lever; 3-a jig; 31-opening a hole;

4-a clamping assembly; 41-a pressing block; 42-a holder; 421-a chute; 422-a limiting block; 43-jaws; 44-a second link; 45-guide posts; 46-a guide plate; 461-guide groove; 47-a limiting plate;

5-a first link; 6-a drive mechanism; 7-a hinged bracket; 8-a pivot; 9-base.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1, 2 and 5 together, the link clamping mechanism provided in the present application will now be described. The application provides a connecting rod clamping mechanism, including backup pad 1, lever 2, tool 3, centre gripping subassembly 4, first connecting rod 5 and actuating mechanism 6, tool 3 installs in backup pad 1, be equipped with the trompil 31 that supplies first connecting rod 5 to pass on tool 3, lever 2 rotates and installs in backup pad 1, the one end and the actuating mechanism 6 of lever 2 are articulated, the other end and the one end of first connecting rod 5 of lever 2 are articulated, the other end of first connecting rod 5 passes trompil 31 and links to each other with centre gripping subassembly 4, actuating mechanism 6 sets up in backup pad 1. The clamping component 4 is used for abutting a workpiece on the jig 3, the first connecting rod 5 is used for driving the clamping component 4 to be close to or far away from the jig 3 and used for pushing the first connecting rod 5 to move, and the driving mechanism 6 is used for pushing one end of the lever 2 far away from the first connecting rod 5 to swing. When the tool is used, the driving mechanism 6 pushes one end of the lever 2, which is far away from the first connecting rod 5, to swing, the lever 2 pushes the first connecting rod 5 to move, and the first connecting rod 5 drives the clamping component 4 to be close to or far away from the tool 3, so that a workpiece is conveniently and quickly pressed on the tool 3.

The application provides a connecting rod clamping mechanism compares with prior art, keeps away from the one end swing of first connecting rod 5 through actuating mechanism 6 drive lever 2, and lever 2 promotes first connecting rod 5 and stretches out along the first direction, makes first connecting rod 5 drive clamping component 4 towards the one section distance of the direction motion of keeping away from tool 3, and then makes the work piece can put into between tool 3 and the clamping component 4. And then the driving mechanism 6 drives one end of the lever 2 far away from the first connecting rod 5 to swing towards the opposite direction, the lever 2 pushes the first connecting rod 5 to retract along a second direction opposite to the first direction, so that the first connecting rod 5 drives the clamping component 4 to move towards the direction close to the jig 3, and further the clamping component 4 supports and holds the workpiece on the jig 3, thereby achieving the purpose of rapidly clamping the workpiece. The application provides a connecting rod clamping mechanism keeps away from the one end swing of first connecting rod 5 through actuating mechanism 6 quick drive lever 2, and lever 2 promotes the connecting rod, and the connecting rod drives centre gripping subassembly 4 and supports the work piece and hold on tool 3 to can the convenient and fast ground press from both sides tight work piece, can effectively improve production efficiency.

Specifically, actuating mechanism 6 adopts corresponding quick, the great cylinder of drive power, and on the cylinder body of cylinder was fixed in backup pad 1, the piston rod of cylinder and the one end that first connecting rod 5 was kept away from to lever 2 passed through the pivot articulated to drive lever 2 through the cylinder fast and rotate, lever 2 drives the connecting rod, and the connecting rod drives centre gripping subassembly 4 and supports the work piece and hold on tool 3, thereby can the convenient and fast ground press from both sides tight work piece, can effectively improve production efficiency. Of course, the air cylinder may be replaced by a linear driving mechanism 6 such as a hydraulic cylinder or an electric cylinder, and the driving mechanism 6 may also be a driving structure in which a motor is matched with a ball screw, and the setting may be specifically selected according to actual needs, which is not limited herein.

Specifically, the number of the first connecting rods 5 is set to be a plurality of, in this embodiment, two parallel first connecting rods 5, and the first connecting rods 5 are hinged to one end of the lever through a cross beam. Correspondingly, the jig 3 is provided with an opening 31 for each first connecting rod 5 to pass through, each first connecting rod 5 can be axially movably arranged in the corresponding opening 31, and the other end of each first connecting rod 5 passes through the corresponding opening 31 and is connected with the clamping component 4, so that the stability of the lever driving the clamping component 4 to move is improved.

In one embodiment, referring to fig. 1, 2 and 4, as an embodiment of the present invention, the rod clamping mechanism further includes a base 9 connected to the supporting plate 1.

In this embodiment, the base 9 connected to the support plate 1 is provided, so that the link clamping mechanism can be conveniently connected to automation equipment such as a manipulator through the base 9.

In one embodiment, referring to fig. 4, 5 and 8, as an embodiment of the link clamping mechanism provided in the present application, the clamping assembly 4 includes a plurality of pressing blocks 41 for pressing against a workpiece and a clamping seat 42 for supporting each pressing block 41, and the clamping seat 42 is connected to an end of the first link 5 away from the lever 2.

In this embodiment, the clamping assembly 4 includes a plurality of pressing blocks 41 for pressing the workpiece and a holder 42 for supporting each pressing block 41, the holder 42 is connected to the end of the first connecting rod 5 away from the lever 2 by disposing the holder 42, and the pressing blocks 41 are supported and connected to the holder 42, the holder 42 can be driven by the telescopic motion of the first connecting rod 5, and the holder 42 drives the pressing blocks to move simultaneously, so as to press the workpiece on the fixture 3, thereby achieving the purpose of rapidly clamping the workpiece. In this embodiment, the number of the pressing blocks 41 is set to 4, the 4 pressing blocks 41 are respectively a left pressing block for pressing the left portion of the workpiece, a right pressing block for pressing the right portion of the workpiece, an upper pressing block for pressing the upper portion of the workpiece, and a lower pressing block for pressing the lower portion of the workpiece, and the 4 pressing blocks 41 are simultaneously driven by the holder 42 to respectively press the upper portion, the lower portion, the left portion, and the right portion of the workpiece, so as to enhance the stability of the workpiece clamped on the jig 3. Of course, the number of the pressing blocks 41 may also be 1, 2, 3, or more than 3, and the specific number is selected and set according to the actual clamping requirement, which is not limited herein.

In one embodiment, referring to fig. 3, 6 and 8, as an embodiment of the rod clamping mechanism provided in the present application, a plurality of pressing blocks 41 are disposed on the periphery of the clamping seat 42.

In this embodiment, the plurality of pressing blocks 41 are disposed on the periphery of the clamping seat 42, so that the pressing blocks 41 uniformly press the workpiece, and the stress balance of the workpiece is improved, thereby being beneficial to further improving the stability of clamping the workpiece.

In an embodiment, referring to fig. 7, 9 and 10, as a specific implementation of the link clamping mechanism provided in the present application, each pressing block 41 is provided with a plurality of claws 43, and each claw 43 is connected to a side of the corresponding pressing block 41 away from the holder 42.

In this embodiment, the clamping jaws 43 are arranged on the pressing blocks 41, and the clamping jaws 43 are used for abutting against the side surfaces of the workpiece, so that the workpiece is prevented from laterally moving along the surface of the clamp in the abutting process, and the stability of clamping the workpiece is further enhanced.

In an embodiment, referring to fig. 5, 9 and 10, as a specific implementation manner of the link clamping mechanism provided in the present application, the clamping assembly 4 further includes second links 44 respectively disposed on the pressing blocks 41, guide posts 45 respectively connected to the second links 44, and guide plates 46 respectively corresponding to the guide posts 45, each pressing block 41 is slidably supported on the holder 42, each guide plate 46 is provided with a guide slot 461 for guiding the corresponding guide post 45 to move toward the middle position of the holder 42, each guide post 45 is inserted into the corresponding guide slot 461, and each guide plate 46 is fixedly connected to the fixture 3.

In this embodiment, when the lever 2 pushes the first connecting rod 5 to move and extend along the first direction, in the process that the first connecting rod 5 drives the clamping seat 42 to move towards the direction away from the fixture 3, the guiding slot 461 of each guiding plate 46 moves towards the middle position away from the clamping seat 42 for the corresponding guiding post 45, so that each guiding post 45 drives the corresponding second connecting rod 44 to move towards the middle position away from the clamping seat 42, and then each second connecting rod 44 drives the corresponding pressing block 41 to move towards the middle position away from the clamping seat 42, at this time, the pressing blocks 41 are away from each other and open, and the workpiece can be placed between the fixture 3 and the clamping assembly 4. After a workpiece is placed in the clamping device, when the lever 2 drives the first connecting rod 5 to move and retract along the second direction, in the process that the first connecting rod 5 drives the clamping seat 42 to move towards the direction close to the jig 3, the guide groove 461 of each guide plate 46 moves towards the middle position of the clamping seat 42 relative to the corresponding guide post 45, so that each guide post 45 drives the corresponding second connecting rod 44 to move towards the middle position of the clamping seat 42, and each second connecting rod 44 drives the corresponding pressing block 41 to move towards the middle position of the clamping seat 42 and restore to the initial position, at the moment, the pressing blocks 41 approach to each other and retract, so that when the workpiece is pressed by the pressing blocks 41, lateral pressing and clamping can be performed on each side surface of the workpiece by using the clamping claws 43 on the side edges of the pressing blocks 41, the workpiece can be well clamped and positioned, and the stability of workpiece clamping is enhanced.

In one embodiment, referring to fig. 5, 9 and 10, as one embodiment of the link clamping mechanism provided in the present application, each guide slot 461 extends obliquely toward a middle portion of the holder 42.

In this embodiment, each guide slot 461 is two waist-shaped slots disposed on the corresponding guide plate 46 and connected to each other, and the two waist-shaped slots form a certain angle, and each guide slot 461 extends obliquely toward the middle of the holder 42 and can move toward the middle of the corresponding guide post 45 away from the holder 42.

In an embodiment, referring to fig. 7, 9 and 10, as a specific implementation manner of the link clamping mechanism provided in the present application, the clamping seat 42 is provided with a sliding slot 421 for guiding the movement of each pressing block 41 and a limiting plate 47 for limiting each pressing block 41 in the corresponding sliding slot 421, each pressing block 41 is slidably disposed in the corresponding sliding slot 421, and the limiting plate 47 is connected to the clamping seat 42.

In this embodiment, the sliding grooves 421 for guiding the pressing blocks 41 to move are formed in the clamping seat 42, the pressing blocks 41 are slidably disposed in the corresponding sliding grooves 421, and the pressing blocks 41 are guided by the sliding grooves 421 to move along the direction perpendicular to the axial direction of the first connecting rod 5, so that the moving stability of the pressing blocks 41 is enhanced.

In one embodiment, referring to fig. 8, 9 and 10, as an embodiment of the link clamping mechanism provided in the present application, each pressing block 41 is T-shaped, and each sliding groove 421 is T-shaped.

In this embodiment, each pressing block 41 is T-shaped, each sliding groove 421 is T-shaped, and the moving position of the pressing block 41 is limited by the sliding fit between the T-shaped pressing block 41 and the corresponding T-shaped sliding groove 421, so that the pressing block 41 is effectively prevented from moving out of the corresponding sliding groove 421, the moving stability of each pressing block 41 is enhanced, and the working reliability of the connecting rod clamping mechanism is improved.

In one embodiment, referring to fig. 5 and 5, as an embodiment of the present invention, the link clamping mechanism further includes two hinge brackets 7 disposed on the support plate 1 in pair and a pivot 8 mounted on the two hinge brackets 7, and the lever 2 is rotatably connected to the hinge brackets 7 through the pivot 8.

In this embodiment, two hinge brackets 7 are arranged on the support plate 1 in pairs, pivot shafts are arranged on the two hinge brackets 7, and the lever 2 is rotatably connected with the hinge brackets 7 through the pivot shafts, so that the rotating stability of the lever 2 is effectively enhanced, and the connecting rod clamping mechanism is favorable for rapidly clamping workpieces.

In one embodiment, referring to fig. 2 and 4, as an embodiment of the present invention, the swing axis of the lever 2 is located on a side of the middle of the lever 2 near the first link 5.

In this embodiment, the swing axis of lever 2 is located the one side that is close to first connecting rod 5 with lever 2 middle part, utilizes lever 2 principle, makes lever 2 have enough big power and drives first connecting rod 5 to make 4 suppression pieces 41 drive corresponding jack catch 43 and press from both sides tightly the work piece lateral part from 4 different directions respectively, and utilize 4 suppression pieces 41 to compress tightly the work piece, make connecting rod clamping mechanism can carry out the quick clamp to the work piece and fix a position reliably and steadily, be favorable to production efficiency's improvement.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A link clamping mechanism, comprising:

a support plate;

the jig is arranged on the supporting plate;

the clamping assembly is used for abutting the workpiece on the jig;

the first connecting rod is used for driving the clamping component to be close to or far away from the jig;

the lever is rotatably arranged on the supporting plate and used for pushing the first connecting rod to move; and the number of the first and second groups,

the driving mechanism is used for pushing one end of the lever, which is far away from the first connecting rod, to swing;

the jig is provided with an opening through which the first connecting rod penetrates, one end of the lever is hinged to the driving mechanism, the other end of the lever is hinged to one end of the first connecting rod, the other end of the first connecting rod penetrates through the opening and is connected with the clamping component, and the driving mechanism is arranged on the supporting plate.

2. The link clamping mechanism according to claim 1, wherein the clamping assembly includes a plurality of pressing pieces for pressing the workpiece, and a holder for supporting each of the pressing pieces, the holder being connected to an end of the first link remote from the lever.

3. The link clamping mechanism according to claim 2, wherein a plurality of the pressing pieces are provided on a peripheral side of the holder.

4. The link clamping mechanism according to claim 2, wherein each of said pressing blocks has a plurality of claws, and each of said claws is connected to a side of the corresponding pressing block remote from said holder.

5. The link clamping mechanism according to claim 4, wherein the clamping assembly further includes second links respectively disposed on the pressing blocks, guide posts respectively connected to the second links, and guide plates respectively corresponding to the guide posts, each of the pressing blocks is slidably supported on the holder, each of the guide plates is provided with a guide groove for guiding the corresponding guide post to move toward a middle position of the holder, each of the guide posts is inserted into the corresponding guide groove, and each of the guide plates is fixedly connected to the jig.

6. The link clamping mechanism according to claim 5, wherein each of said guide grooves extends obliquely toward a central position of said holder.

7. The link clamping mechanism according to claim 5, wherein the holder has a sliding groove for guiding the movement of each pressing block and a limiting plate for limiting each pressing block in the corresponding sliding groove, each pressing block is slidably disposed in the corresponding sliding groove, and the limiting plate is connected to the holder.

8. The link clamping mechanism as recited in claim 7, wherein each of said pressing pieces is T-shaped, and each of said sliding grooves is T-shaped.

9. The link clamping mechanism as recited in claim 1, further comprising a hinge bracket provided on said support plate and a pivot shaft mounted on said hinge bracket, said lever being pivotally connected to said hinge bracket by said pivot shaft.

10. The link clamping mechanism according to any one of claims 1 to 9, wherein the swing axis of the lever is located on a side close to the first link from a middle portion of the lever.

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